A secondary view is always perpendicular to one of the principal views.

More Questions from Auxiliary Views

• Measurements are always made at right angles to the reference lines or parallel to the projection lines.
• A Secondary Auxiliary view is a projection from the first auxiliary view.
• Reference lines are always at right angles to the projection lines between the views.
• From primary auxiliary views, a secondary auxiliary view can be drawn.
• The center line of a hidden cylinder feature appearing in the front view should line up with the center mark in the corresponding circle which appears in the auxiliary view.
• Revolution is a method of determining the true length and true size of inclined and oblique lines and planes.
• A reference plane appears as a line in an adjacent view.
• If an auxiliary view is symmetrical, and to save space or time, a half auxiliary view may be drawn.
• An auxiliary view is used on technical drawings to project features on an inclined plane away from one of the primary views in such a way that features such as holes appear correctly.
• Auxiliary views allow principal faces of features that are parallel to the standard planes of projection to appear true shape and size.

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